import { DBAdapter, DBLockOptions, LockContext } from '@powersync/common';
import { Mutex } from '@powersync/shared-internals';
/**
 * Implements a Mock DB adapter for use in Server Side Rendering (SSR).
 * This adapter will return empty results for queries, which will allow
 * server rendered views to initially generate scaffolding components
 */
export declare class SSRDBAdapter extends DBAdapter {
    name: string;
    readMutex: Mutex;
    writeMutex: Mutex;
    constructor();
    close(): void;
    readLock<T>(fn: (tx: LockContext) => Promise<T>, options?: DBLockOptions): Promise<T>;
    writeLock<T>(fn: (tx: LockContext) => Promise<T>, options?: DBLockOptions): Promise<T>;
    refreshSchema(): Promise<void>;
}